Re: [PATCH v2 3/6] can: c_can: fix control interface used by c_can_do_tx

Hi Marc,

Il 26/02/2021 09:44 Marc Kleine-Budde [off-list ref] ha scritto:

 
On 25.02.2021 22:51:52, Dario Binacchi wrote:

quoted

According to commit 640916db2bf7 ("can: c_can: Make it SMP safe") let RX use
IF1 (i.e. IF_RX) and TX use IF2 (i.e. IF_TX).

Is this a fix?

I think that If I consider what is described in the 640916db2bf7 commit, using 
the IF_RX interface in a tx routine is wrong.

Thanks and regards
Dario

Marc

quoted

Signed-off-by: Dario Binacchi <redacted>
---

(no changes since v1)

 drivers/net/can/c_can/c_can.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index dbcc1c1c92d6..69526c3a671c 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c

@@ -732,7 +732,7 @@ static void c_can_do_tx(struct net_device *dev)
 		idx--;
 		pend &= ~(1 << idx);
 		obj = idx + C_CAN_MSG_OBJ_TX_FIRST;
-		c_can_inval_tx_object(dev, IF_RX, obj);
+		c_can_inval_tx_object(dev, IF_TX, obj);
 		can_get_echo_skb(dev, idx, NULL);
 		bytes += priv->dlc[idx];
 		pkts++;

-- 
2.17.1

-- 
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